001// Copyright 2012 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007// http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry5.internal.transform;
016
017import org.apache.tapestry5.ioc.annotations.Operation;
018import org.apache.tapestry5.ioc.services.OperationAdvisor;
019import org.apache.tapestry5.model.MutableComponentModel;
020import org.apache.tapestry5.plastic.PlasticClass;
021import org.apache.tapestry5.plastic.PlasticMethod;
022import org.apache.tapestry5.services.transform.ComponentClassTransformWorker2;
023import org.apache.tapestry5.services.transform.TransformationSupport;
024
025/**
026 * Add support for the {@link org.apache.tapestry5.ioc.annotations.Operation} annotation on component class methods.
027 */
028public class OperationWorker implements ComponentClassTransformWorker2
029{
030    private final OperationAdvisor advisor;
031
032    public OperationWorker(OperationAdvisor advisor)
033    {
034        this.advisor = advisor;
035    }
036
037    public void transform(PlasticClass plasticClass, TransformationSupport support, MutableComponentModel model)
038    {
039        for (PlasticMethod method : plasticClass.getMethodsWithAnnotation(Operation.class))
040        {
041            Operation annotation = method.getAnnotation(Operation.class);
042
043            method.addAdvice(advisor.createAdvice(annotation.value()));
044        }
045    }
046}